.CodeMirror-completions {
    position: absolute;
    z-index: 10;
    overflow: hidden;
    -webkit-box-shadow: 2px 3px 5px rgba(0, 0, 0, .2);
    -moz-box-shadow: 2px 3px 5px rgba(0, 0, 0, .2);
    box-shadow: 2px 3px 5px rgba(0, 0, 0, .2);
}

.CodeMirror-completions select {
    background: #fafafa;
    outline: none;
    border: none;
    padding: 0;
    margin: 0;
    font-family: monospace;
}
